<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
		<style type="text/css">
			#box{
				height: 60px;
				width: 100%;
				background-color: rosybrown;
				/*固定定位*/
				position: fixed;
				left: 0;
				bottom: 0;
			}#box2{
				height: 2000px;
				width: 100%;
				border: 1px solid rosybrown;
			}
		</style>
	</head>
	<body>
		<div id="box2">
			
		</div>
		<div id="box">
			
		</div>
	</body>
</html>
